气压式高度表采用的感受部分是()A、开口膜盒 B、真空膜盒 C、膜片 D、毛细管

题型:单项选择题

问题:

气压式高度表采用的感受部分是()

A、开口膜盒

B、真空膜盒

C、膜片

D、毛细管

考点:科普知识竞赛民航概论民航概论题库
题型:单项选择题

阅读理解

       Mr Green is a teacher.He teaches English in No.1 Middle School.He works hard.Mrs.Green stays

at home.She doesn't go to work every day.She does the housework very well.Their son,Billy is nine.Billy

likes playing and doesn't like learning.He can't do his homework and often asks his mother to help him.

But Mrs Green can't do it,either.She asks Mr.Green to do all the homework for Billy every day.Mrs Green says she does some housework when he helps their son.

1. Mr Green is            teacher.

A. English

B. a Chinese

C. American

D. an English

2. Mrs Green is a            .

A. teacher

B. worker

C. housewife

D. student

3. Their son is            years old.

A. seven

B. eight

C. nine

D. ten

4. Billy doesn't like            .

A. playing

B. cooking

C. studying

D. doing

5.            does the homework.

A. Billy

B. Mr Green

C. Mrs Green

D. his teacher

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A.复核制

B.柜组制

C.柜员制

D.分管制

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高压锅较厚,要较高的温度才能沸腾,因为   [     ]

A. 高压锅传热慢

B. 高压锅传热快 

C. 高压锅内压强大,沸点升高

D. 高压锅内压强大,将热量压入饭菜

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《公路行业信贷政策(2012年修订)》要求不符合标准的客户和项目准入以及客户分类提级事宜一律上报()核批。

A.总行

B.一级分行

C.二级分行

D.支行

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患者出现恶心呕吐的前驱症状时,应协助患者取()或(),预防误吸。

A、坐位

B、站位

C、中凹卧位

D、侧卧位

E、头低足高位

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